Home >Web Front-end >HTML Tutorial >Iframe nests frameset to realize scroll bars appearing in the entire iframe. How to display all the content according to the height of the page? _html/css_WEB-ITnose
Iframe nests frameset to realize scroll bars appearing in the entire iframe. How to display all the content according to the height of the page? _html/css_WEB-ITnose
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- 2016-06-24 12:19:071452browse
The website I made uses a frameset frame layout, which is divided into upper, middle and lower parts. The content of the upper and lower frames is fixed, but the content of the middle frame is different. I want the entire frame to share a scroll bar, so I use an iframe. In the nested frameset frame, I set the height in the iframe. The content of the page is different, and the height is also different. Is there any way to display all the content of the page? I've been struggling for two days, it's urgent, I'm waiting online! Please help me heroes!
Reply to the discussion (solution)
Dynamically calculate the height of the middle frame, add the upper and lower heights to the
, and assign them to the style.height of the outer iframe.How to calculate dynamically? Could you please make it clearer?
h = document.documentElement?document.documentElement.offsetHeight:document.body.offsetHeight
Is this the height of the page in the subframe?
It’s strange that two iframes can share a scroll bar
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37f861bd36cef5b6406eba87d20a5bab6c04bd5ca3fcae76e30b72ad730ca86dThis is My frame layout page,
-------------------------------
< ;script language="javascript">
function iFrameHeight(iframeID){
var ifm= document.getElementById(iframeID);
var subIfm = ifm.contentWindow.document.documentElement.scrollHeight;
if(ifm != null && subIfm != null){
ifm.height = subIfm;
}
}
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This is the page where I introduced the frame layout
This is the middle frame, you Add the fixed heights of the upper and lower frames, and then "px"
They are not two iframes
I added the height of the upper and lower frames, but the page content of the middle frame is different and the height is also different. It's different. I can't get the height of the middle page?
I added the height of the upper and lower frames, but the page content of the middle frame is different, and the height is also different. I can't get the height of the middle page?
Didn’t I tell you about dynamic calculation? ? ?
Give you a complete example
a.htm
<!DOCTYPE html><html><head><title></title></head> <body><iframe id=foo src="frameset.htm"></iframe></body></html>
frameset.htm
<frameset rows="100,*,100"><frame src="top.htm"><frame src="middle.htm"><frame src="bottom.htm"></frameset>
middle.htm
<script>function setHeight(){ h = Math.max(document.documentElement.offsetHeight,document.body.offsetHeight) window.parent.parent.document.getElementById("foo").style.height = 100+h+100 + 50+"px"; //为了保证效果，多加50}</script><style>html,body{margin:0;padding:0}</style><body onload="setHeight()">foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/>foo<br/> Note that the test should use http method, do not directly say file method test
Give you a complete example
a.htm
HTML code
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frameset.htm
HTML code